Home / 658,097,811.20-987,146,716.80-249,167,302.40

Finding the Fourth Proportional to 658,097,811.20, 987,146,716.80 and 249,167,302.40

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Solution

The fourth proportional to 658,097,811.20, 987,146,716.80 and 249,167,302.40 is: 373,750,953.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,097,811.20 : 987,146,716.80 = 249,167,302.40 : x
  2. Step 2: Convert to fraction form
    658,097,811.20/987,146,716.80 = 249,167,302.40/x
  3. Step 3: Cross multiply
    658,097,811.20x = 987,146,716.80 × 249,167,302.40
  4. Step 4: Simplify right side
    658,097,811.20x = 245,964,684,498,072,768
  5. Step 5: Solve for x
    x = 245,964,684,498,072,768/658,097,811.20
  6. Step 6: Final answer
    x = 373,750,953.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.